Answer:
The men were philanthropists who gave large sums of money to public projects.
Step-by-step explanation:
The term Robber Baron was applied to a businessman who involved in immoral activities, under whom corporations like railroads, steel, and petroleum became monopolies, used corrupt political control, bribery, etc to earn enormous wealth. However, no one can deny the fact that these business tycoons helped to develop the nation and generated many employment opportunities for workers of the United States in the process.